Sensor



FIG. 1 is a schematic top view of a third embodiment of a sensor strip in accordance with the present invention;

FIG. 2 is a schematic top view of a fourth embodiment of a sensor strip in accordance with the present invention; and,

FIG. 3 is an enlarged top plan view of a portion of a sensor strip according to the present invention.

The broken line showing of structural features is included for the purpose of illustrating non-claimed subject matter and forms no part of the claimed design. 

The ornamental design for sensor, as shown and described. 